From 93bdadae74a9b391152f5511dbced6f08fad6d94 Mon Sep 17 00:00:00 2001 From: Paul Jakma Date: Mon, 6 Aug 2007 19:25:11 +0000 Subject: [zebra] Add extra debug logging for RIB and RIB queueing 2007-08-06 Denis Ovsienko * zebra_rib.c: (general) Add extra debug logging for RIB and RIB queue. --- zebra/zebra_rib.c | 70 ++++++++++++++++++++++++++++++++++++++++--------------- 1 file changed, 51 insertions(+), 19 deletions(-) (limited to 'zebra/zebra_rib.c') diff --git a/zebra/zebra_rib.c b/zebra/zebra_rib.c index a85c49fd..7a63c1c1 100644 --- a/zebra/zebra_rib.c +++ b/zebra/zebra_rib.c @@ -898,9 +898,13 @@ rib_process (struct work_queue *wq, void *data) struct route_node *rn = data; int installed = 0; struct nexthop *nexthop = NULL; + char buf[INET_ADDRSTRLEN]; assert (rn); + if (IS_ZEBRA_DEBUG_RIB || IS_ZEBRA_DEBUG_RIB_Q) + inet_ntop (AF_INET, &rn->p.u.prefix, buf, INET_ADDRSTRLEN); + for (rib = rn->info; rib; rib = next) { next = rib->next; @@ -920,7 +924,8 @@ rib_process (struct work_queue *wq, void *data) if (rib != fib) { if (IS_ZEBRA_DEBUG_RIB) - zlog_debug ("%s: rn %p, removing rib %p", __func__, rn, rib); + zlog_debug ("%s: %s/%d: rn %p, removing rib %p", __func__, + buf, rn->p.prefixlen, rn, rib); rib_unlink (rn, rib); } else @@ -984,8 +989,8 @@ rib_process (struct work_queue *wq, void *data) if (select && select == fib) { if (IS_ZEBRA_DEBUG_RIB) - zlog_debug ("%s: Updating existing route, select %p, fib %p", - __func__, select, fib); + zlog_debug ("%s: %s/%d: Updating existing route, select %p, fib %p", + __func__, buf, rn->p.prefixlen, select, fib); if (CHECK_FLAG (select->flags, ZEBRA_FLAG_CHANGED)) { redistribute_delete (&rn->p, select); @@ -1023,7 +1028,8 @@ rib_process (struct work_queue *wq, void *data) if (fib) { if (IS_ZEBRA_DEBUG_RIB) - zlog_debug ("%s: Removing existing route, fib %p", __func__, fib); + zlog_debug ("%s: %s/%d: Removing existing route, fib %p", __func__, + buf, rn->p.prefixlen, fib); redistribute_delete (&rn->p, fib); if (! RIB_SYSTEM_ROUTE (fib)) rib_uninstall_kernel (rn, fib); @@ -1037,7 +1043,8 @@ rib_process (struct work_queue *wq, void *data) if (select) { if (IS_ZEBRA_DEBUG_RIB) - zlog_debug ("%s: Adding route, select %p", __func__, select); + zlog_debug ("%s: %s/%d: Adding route, select %p", __func__, buf, + rn->p.prefixlen, select); /* Set real nexthop. */ nexthop_active_update (rn, select, 1); @@ -1051,13 +1058,14 @@ rib_process (struct work_queue *wq, void *data) if (del) { if (IS_ZEBRA_DEBUG_RIB) - zlog_debug ("%s: Deleting fib %p, rn %p", __func__, del, rn); + zlog_debug ("%s: %s/%d: Deleting fib %p, rn %p", __func__, buf, + rn->p.prefixlen, del, rn); rib_unlink (rn, del); } end: if (IS_ZEBRA_DEBUG_RIB_Q) - zlog_debug ("%s: rn %p dequeued", __func__, rn); + zlog_debug ("%s: %s/%d: rn %p dequeued", __func__, buf, rn->p.prefixlen, rn); if (rn->info) UNSET_FLAG (((struct rib *)rn->info)->rn_status, RIB_ROUTE_QUEUED); route_unlock_node (rn); /* rib queue lock */ @@ -1068,8 +1076,12 @@ end: static void rib_queue_add (struct zebra_t *zebra, struct route_node *rn) { + char buf[INET_ADDRSTRLEN]; assert (zebra && rn); + if (IS_ZEBRA_DEBUG_RIB_Q) + inet_ntop (AF_INET, &rn->p.u.prefix, buf, INET_ADDRSTRLEN); + /* Pointless to queue a route_node with no RIB entries to add or remove */ if (!rn->info) { @@ -1083,14 +1095,15 @@ rib_queue_add (struct zebra_t *zebra, struct route_node *rn) if (CHECK_FLAG (((struct rib *)rn->info)->rn_status, RIB_ROUTE_QUEUED)) { if (IS_ZEBRA_DEBUG_RIB_Q) - zlog_debug ("%s: rn %p already queued", __func__, rn); + zlog_debug ("%s: %s/%d: rn %p already queued", __func__, buf, + rn->p.prefixlen, rn); return; } route_lock_node (rn); /* rib queue lock */ if (IS_ZEBRA_DEBUG_RIB_Q) - zlog_info ("%s: work queue added", __func__); + zlog_info ("%s: %s/%d: work queue added", __func__, buf, rn->p.prefixlen); assert (zebra); @@ -1106,7 +1119,7 @@ rib_queue_add (struct zebra_t *zebra, struct route_node *rn) SET_FLAG (((struct rib *)rn->info)->rn_status, RIB_ROUTE_QUEUED); if (IS_ZEBRA_DEBUG_RIB_Q) - zlog_debug ("%s: rn %p queued", __func__, rn); + zlog_debug ("%s: %s/%d: rn %p queued", __func__, buf, rn->p.prefixlen, rn); return; } @@ -1177,19 +1190,25 @@ static void rib_link (struct route_node *rn, struct rib *rib) { struct rib *head; + char buf[INET_ADDRSTRLEN]; assert (rib && rn); route_lock_node (rn); /* rn route table reference */ if (IS_ZEBRA_DEBUG_RIB) - zlog_debug ("%s: rn %p, rib %p", __func__, rn, rib); + { + inet_ntop (AF_INET, &rn->p.u.prefix, buf, INET_ADDRSTRLEN); + zlog_debug ("%s: %s/%d: rn %p, rib %p", __func__, + buf, rn->p.prefixlen, rn, rib); + } head = rn->info; if (head) { if (IS_ZEBRA_DEBUG_RIB) - zlog_debug ("%s: new head, rn_status copied over", __func__); + zlog_debug ("%s: %s/%d: new head, rn_status copied over", __func__, + buf, rn->p.prefixlen); head->prev = rib; /* Transfer the rn status flags to the new head RIB */ rib->rn_status = head->rn_status; @@ -1208,8 +1227,12 @@ rib_addnode (struct route_node *rn, struct rib *rib) if (CHECK_FLAG (rib->status, RIB_ENTRY_REMOVED)) { if (IS_ZEBRA_DEBUG_RIB) - zlog_debug ("%s: rn %p, un-removed rib %p", - __func__, rn, rib); + { + char buf[INET_ADDRSTRLEN]; + inet_ntop (AF_INET, &rn->p.u.prefix, buf, INET_ADDRSTRLEN); + zlog_debug ("%s: %s/%d: rn %p, un-removed rib %p", + __func__, buf, rn->p.prefixlen, rn, rib); + } UNSET_FLAG (rib->status, RIB_ENTRY_REMOVED); return; } @@ -1220,12 +1243,16 @@ static void rib_unlink (struct route_node *rn, struct rib *rib) { struct nexthop *nexthop, *next; + char buf[INET_ADDRSTRLEN]; assert (rn && rib); if (IS_ZEBRA_DEBUG_RIB) - zlog_debug ("%s: rn %p, rib %p", - __func__, rn, rib); + { + inet_ntop (AF_INET, &rn->p.u.prefix, buf, INET_ADDRSTRLEN); + zlog_debug ("%s: %s/%d: rn %p, rib %p", + __func__, buf, rn->p.prefixlen, rn, rib); + } if (rib->next) rib->next->prev = rib->prev; @@ -1239,8 +1266,8 @@ rib_unlink (struct route_node *rn, struct rib *rib) if (rn->info) { if (IS_ZEBRA_DEBUG_RIB) - zlog_debug ("%s: rn %p, rib %p, new head copy", - __func__, rn, rib); + zlog_debug ("%s: %s/%d: rn %p, rib %p, new head copy", + __func__, buf, rn->p.prefixlen, rn, rib); rib->next->rn_status = rib->rn_status; } } @@ -1260,7 +1287,12 @@ static void rib_delnode (struct route_node *rn, struct rib *rib) { if (IS_ZEBRA_DEBUG_RIB) - zlog_debug ("%s: rn %p, rib %p, removing", __func__, rn, rib); + { + char buf[INET_ADDRSTRLEN]; + inet_ntop (AF_INET, &rn->p.u.prefix, buf, INET_ADDRSTRLEN); + zlog_debug ("%s: %s/%d: rn %p, rib %p, removing", __func__, + buf, rn->p.prefixlen, rn, rib); + } SET_FLAG (rib->status, RIB_ENTRY_REMOVED); rib_queue_add (&zebrad, rn); } -- cgit v1.2.1